﻿#region Copyright (c) 2006-2012 nHydrate.org, All Rights Reserved
// --------------------------------------------------------------------- *
//                           NHYDRATE.ORG                                *
//              Copyright (c) 2006-2012 All Rights reserved              *
//                                                                       *
//                                                                       *
// This file and its contents are protected by United States and         *
// International copyright laws.  Unauthorized reproduction and/or       *
// distribution of all or any portion of the code contained herein       *
// is strictly prohibited and will result in severe civil and criminal   *
// penalties.  Any violations of this copyright will be prosecuted       *
// to the fullest extent possible under law.                             *
//                                                                       *
// THE SOURCE CODE CONTAINED HEREIN AND IN RELATED FILES IS PROVIDED     *
// TO THE REGISTERED DEVELOPER FOR THE PURPOSES OF EDUCATION AND         *
// TROUBLESHOOTING. UNDER NO CIRCUMSTANCES MAY ANY PORTION OF THE SOURCE *
// CODE BE DISTRIBUTED, DISCLOSED OR OTHERWISE MADE AVAILABLE TO ANY     *
// THIRD PARTY WITHOUT THE EXPRESS WRITTEN CONSENT OF THE NHYDRATE GROUP *
//                                                                       *
// UNDER NO CIRCUMSTANCES MAY THE SOURCE CODE BE USED IN WHOLE OR IN     *
// PART, AS THE BASIS FOR CREATING A PRODUCT THAT PROVIDES THE SAME, OR  *
// SUBSTANTIALLY THE SAME, FUNCTIONALITY AS THIS PRODUCT                 *
//                                                                       *
// THE REGISTERED DEVELOPER ACKNOWLEDGES THAT THIS SOURCE CODE           *
// CONTAINS VALUABLE AND PROPRIETARY TRADE SECRETS OF NHYDRATE,          *
// THE REGISTERED DEVELOPER AGREES TO EXPEND EVERY EFFORT TO             *
// INSURE ITS CONFIDENTIALITY.                                           *
//                                                                       *
// THE END USER LICENSE AGREEMENT (EULA) ACCOMPANYING THE PRODUCT        *
// PERMITS THE REGISTERED DEVELOPER TO REDISTRIBUTE THE PRODUCT IN       *
// EXECUTABLE FORM ONLY IN SUPPORT OF APPLICATIONS WRITTEN USING         *
// THE PRODUCT.  IT DOES NOT PROVIDE ANY RIGHTS REGARDING THE            *
// SOURCE CODE CONTAINED HEREIN.                                         *
//                                                                       *
// THIS COPYRIGHT NOTICE MAY NOT BE REMOVED FROM THIS FILE.              *
// --------------------------------------------------------------------- *
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using nHydrate.Generator.Common.GeneratorFramework;
using System.IO;

namespace nHydrate.DslPackage.Objects
{
	internal static class VersionHelper
	{
		public const string SERVICE_URL = "http://www.nhydrate.org/Webservice/MainService.asmx";

		public static bool CanConnect()
		{
			nHydrate.Generator.Common.nhydrateservice.MainService service = null;
			try
			{
				service = new nHydrate.Generator.Common.nhydrateservice.MainService();
				service.Url = SERVICE_URL;
				return service.IsLive();
			}
			catch (Exception ex)
			{
				return false;
			}
		}

		public static string GetLatestVersion()
		{
			nHydrate.Generator.Common.nhydrateservice.MainService service = null;
			try
			{
				service = new nHydrate.Generator.Common.nhydrateservice.MainService();
				service.Url = SERVICE_URL;
				var version = service.GetLatestVersion3(AddinAppData.Instance.Key, GetCurrentVersion());
				//var version = service.GetLatestVersion();
				return version.Version;
			}
			catch (Exception ex)
			{
				return "(Unknown)";
			}
		}

		public static string GetCurrentVersion()
		{
			var fileName = Path.Combine(AddinAppData.Instance.ExtensionDirectory, "nHydrate.DslPackage.dll");
			if (File.Exists(fileName))
			{
				var a = System.Reflection.Assembly.LoadFrom(fileName);
				var version = a.GetName().Version;
				return version.Major + "." + version.Minor + "." + version.Build + "." + version.Revision;
			}
			return "(Unknown)";
		}

		public static bool ShouldCheck()
		{
			try
			{
				return (DateTime.Now.Subtract(AddinAppData.Instance.LastUpdateCheck).TotalDays >= 7);
			}
			catch (Exception ex)
			{
				//Something bad happened, probably permission based
				//Do Nothing
				return false;
			}
		}

		public static bool NeedUpdate(string newVersion)
		{
			var currentVersion = GetCurrentVersion();
			try
			{
				var versionNew = new Version(newVersion);
				var versionNow = new Version(currentVersion);
				return (versionNow < versionNew);
			}
			catch (Exception ex)
			{
				return (newVersion != currentVersion);
			}

		}

	}
}
